Description
AFR – Airflow Research 1451 – AFR Small Block Ford 220cc Renegade Race Aluminum Cylinder Heads Details
Small Block Ford 220cc Renegade Basic Package ComponentsSmall Block Ford 220cc Renegade Race Head Specifications
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5-Angle Valve Job | |
Intake Valve, 2.100” x 5.006” o.a.l. | |
Exhaust Valve, 1.570” x 5.024” o.a.l. | |
1.550” OD Solid Roller Dual Valve Spring, 225 lbs. on seat, .710” maximum lift, max RPM 7200-7400 | |
10º Manley 4140 Chrome Moly Steel Retainers | |
10º Valve Locks | |
7/16” Rocker Studs | |
Adjustable 5/16” Guide Plates | |
Viton Valve Seals | |
Hardened Spring Cups | |
Intake Valve Seats | |
Exhaust Valve Seats | |
Bronze Valve Guides | |
Head Torque w/Moly Lube | 100 Ft. Lbs. with 1/2” Stud |
Rocker Stud Torque | 55 Ft. Lbs. |
Intake Port Gasket, 1.400” x 2.250” w/ 3/8” radius | Fel-Pro 1262R – DO NOT PORT MATCH Intake Manifold to Fel-Pro Gasket. |
Exhaust Port Gasket | Fel Pro 1487 |
Head Gasket | Fel Pro 1134 or 1135 |
Head Bolts & Studs | Standard ARP |
Head Bolt Washers | Manley Standard |
Stud Girdle | Standard |
Suggested Manifold | Victor Jr., Super Victor |
Spark Plug Starting Range | Autolite 3922 |
Combustion Chambers | 58cc |
Spring Pocket can be cut to 1.580, no deeper. | |
Valve Spacing 60/40 | Standard |
Rocker Arms | Standard, will not accept rail rocker arms |
Valve Angle | Standard |
Angle Mill (6cc Maximum Optional Mill) | .008” per cc |
Flat Mill (3cc Maximum Optional Mill) | .006” per cc |